Add IPC to allow gpu process to send message for console back to renderer

content/renderer/gpu/command_buffer_proxy.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_GPU_COMMAND_BUFFER_PROXY_H_
 #define CONTENT_RENDERER_GPU_COMMAND_BUFFER_PROXY_H_
 #pragma once
 
 #if defined(ENABLE_GPU)
 
 #include <map>
 #include <queue>
 
 #include "base/callback.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/task.h"
 #include "content/renderer/gpu/gpu_video_decode_accelerator_host.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_message.h"
 
 class GpuChannelHost;
+struct GPUCommandBufferConsoleMessage;
 
 namespace base {
 class SharedMemory;
 }
 
 // Client side proxy that forwards messages synchronously to a
 // CommandBufferStub.
 class CommandBufferProxy : public gpu::CommandBuffer,
                            public IPC::Channel::Listener,
                            public base::SupportsWeakPtr<CommandBufferProxy> {
@@ skipping 60 matching lines @@
   // Send an IPC message over the GPU channel. This is private to fully
   // encapsulate the channel; all callers of this function must explicitly
   // verify that the context has not been lost.
   bool Send(IPC::Message* msg);
 
   // Message handlers:
   void OnUpdateState(const gpu::CommandBuffer::State& state);
   void OnNotifyRepaint();
   void OnDestroyed(gpu::error::ContextLostReason reason);
   void OnEchoAck();
+  void OnConsoleMessage(const GPUCommandBufferConsoleMessage& message);
 
   // Local cache of id to transfer buffer mapping.
   typedef std::map<int32, gpu::Buffer> TransferBufferMap;
   TransferBufferMap transfer_buffers_;
 
   // Zero or more video decoder hosts owned by this proxy, keyed by their
   // decoder_route_id.
   typedef std::map<int, scoped_refptr<GpuVideoDecodeAcceleratorHost> > Decoders;
   Decoders video_decoder_hosts_;
 
@@ skipping 12 matching lines @@
   base::Closure notify_repaint_task_;
 
   base::Closure channel_error_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferProxy);
 };
 
 #endif  // ENABLE_GPU
 
 #endif  // CONTENT_RENDERER_GPU_COMMAND_BUFFER_PROXY_H_